docs: def _emit_style_tag(self, tag, markup, body):
          """Write the body of a tag and the tokens that should surround it."""
          self._emit(tokens.TagOpenOpen(wiki_markup=markup))
          self._emit_text(tag)
          self._emit(tokens.TagCloseOpen())
          self._emit_all(body)
          self._emit(tokens.TagOpenClose())
          self._emit_text(tag)
          self._emit(tokens.TagCloseClose())